Home/CVE/There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this
CVE

CVE-2021-37122

There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this

There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal.

Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.

MEDIUM · CVSS 6.5 EPSS 0.00059
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

4
huawei cloudengine 12800 firmwareall versions
huawei cloudengine 5800 firmwareall versions
huawei cloudengine 6800 firmwareall versions
huawei cloudengine 7800 firmwareall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · psirt@huawei.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Oct 2021 · 01:15 AM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211008-01-cloudengine-enVendor Advisory
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